Home / 126,604,518.66-189,880,205.40-35,706,850.02

Finding the Fourth Proportional to 126,604,518.66, 189,880,205.40 and 35,706,850.02

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Solution

The fourth proportional to 126,604,518.66, 189,880,205.40 and 35,706,850.02 is: 53,552,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,604,518.66 : 189,880,205.40 = 35,706,850.02 : x
  2. Step 2: Convert to fraction form
    126,604,518.66/189,880,205.40 = 35,706,850.02/x
  3. Step 3: Cross multiply
    126,604,518.66x = 189,880,205.40 × 35,706,850.02
  4. Step 4: Simplify right side
    126,604,518.66x = 6,780,024,015,984,595
  5. Step 5: Solve for x
    x = 6,780,024,015,984,595/126,604,518.66
  6. Step 6: Final answer
    x = 53,552,780.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.